API (2 Pack) Melafix Antibacterial Fish Remedy 16-Ounce Bottles
Original price was: $29.94.$25.41Current price is: $25.41.
Price: $29.94 - $25.41
(as of Oct 12, 2025 16:12:20 UTC – Details)
(2 Pack) API Melafix Antibacterial Fish Remedy 16-Ounce Bottles
Is Discontinued By Manufacturer : No
Product Dimensions : 2.8 x 2.8 x 6.8 inches; 0.63 ounces
Item model number : FBA_705
Date First Available : August 5, 2016
Manufacturer : API
ASIN : B01JSIGR56
Best Sellers Rank: #62,407 in Pet Supplies (See Top 100 in Pet Supplies) #35 in Fish Medication & Health Supplies #563 in Aquarium Water Treatments
Customer Reviews: 4.6 4.6 out of 5 stars 598 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Contains one (1) API MELAFIX Freshwater Fish Bacterial Infection Remedy 16-Ounce Bottle
Heals bacterial infections and repairs damaged fins, ulcers and open wounds
Contains natural, botanical tea tree extract to quickly and rapidly help fish
Helps treat newly-introduced fish to reduce risk of disease outbreak in freshwater aquariums
Use daily for a week when treating infections and for 3 days as a preventive when adding new fish
Customers say
Customers find the fish remedy effective for treating injured fish and appreciate its pleasant smell. Moreover, the product receives positive feedback for its value and suitability for quarantine tanks, with one customer noting it doesn’t harm biological filtration. However, experiences with fin rot are mixed, with some customers reporting severe cases. Additionally, opinions on pet health are mixed, though one customer mentions their fish hardly noticed the treatment.
9 reviews for API (2 Pack) Melafix Antibacterial Fish Remedy 16-Ounce Bottles
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Original price was: $29.94.$25.41Current price is: $25.41.
Kristyn –
Stopped fin rot in its tracks
I will always keep this on hand from now on. I got some new fish from Petco and had my first mass fish death, lost most of my neon tetras and my glo fish started losing fins. One glo fish was too far gone and died but this stuff saved my remaining fish and stopped the bad cycle. Super easy to use and the fish seemed to hardly notice when I added it.
Howard –
My betta’s healthy and that’s all that matters!
This worked with my veil tail betta. He’s pretty big compared to some of the bettas I’ve seen and his fins just flow over everything. He owns his aquarium. He loves to swim through the plants, sit on moss, and sit inside his coconut home. Originally I had plastic plants and I thought they were very smooth but noticed some fin rot so I ordered some medication, removed the plants, and did a water change. The medication arrived within two days but in that time, his fin rot got so severe and he became lethargic. His pectoral fins lost all color and were barely there. He had rot in ALL his fins. I used the 3 day strong API medication, did a water change, and then followed it up with the Metafix and did another water change. Within the week, he was 85% healed. His pectoral fins took the longest but were 60% healed, dorsal fin was at 80% but his caudal fin (which was completely split in half and had a trail of fin hanging during his sickness) was basically healed by day 3. He’s back to being very active and he owns that aquarium. Its scary how fast fin rot happened but follow the instructions and it should work for you! Remember also to take out the carbon filter and don’t overdose – do water changes in 3 days and let the medication work. I’ve read some scary reviews but I thought if I did nothing, he’d die anyway so this was worth the risk and it paid off.
Francisco MarÃa –
Usen las instrucciones y sus peces vivirán más tiempo â±ï¸
Es muy buen producto mientras tenga peces que no me falte lastima no encontrarlo antes gracias ð
Amazon Customer –
The product is very effective
This product works!!
Peter Hauck –
Works!
I’ve had tropical fish for decades. Back in the 1970’s you’d put tetracycline in your tank and it worked like a charm. Most of the bacteria seem to be immune to most antibiotics and the cure can kill the aerobic bacteria your filter needs to work. Melafix works. Don’t be fooled by the tea tree oil. Doesn’t hurt your biological filtration. That and coppersafe cure about anything. I’ve also found that Pimafix works well on fungal infections. Of course the best is weekly water changes, not overcrowding, and catching problems before the problem gets out of hand.
Melissa –
A must have for fishkeepers
I use this every single time I add a new fish. I follow the 3 day dosing instructions it comes with. The cap makes it super easy to measure out how much you need. It smells like tea tree which is a pleasant smell. It does not bother my fish or my plants.
Amazon Customer –
A must if you have aquariums.
This product is a more natural substitute to help with fish ailments. I have a 55 gallon and 120 gallon tank.
John R. Foutch –
Definitely worked for me!
I have 8 fish in a small pond and noticed two of them exhibiting popeye. Contacted my local pond supply store and they recommended this product. Followed the directions to a tee and one week later popeye is gone. Fish look great. Highly recommended.
Alpinee –
Prevents foul odours of water, keeps fish healthy and less prone to diseases.